201991517

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1\times {\mathrm{2531}}^1$

素因数の和:3428

約数の個数: 16

約数和(自身を含む): 248986752

約数和(自身を除く): 46995235

約数列:

[1, 7, 13, 91, 877, 2531, 6139, 11401, 17717, 32903, 79807, 230321, 2219687, 15537809, 28855931, 201991517]

約数ペア:

[(1, 201991517), (7, 28855931), (13, 15537809), (91, 2219687), (877, 230321), (2531, 79807), (6139, 32903), (11401, 17717)]